Guest: Barry Strauss is a professor of history and classics at Cornell University, The Corliss Page Dean Fellow at the Hoover Institution, and a leading expert on ancient military history. He has written or edited several books, including The Battle of Salamis, The Trojan War, The Spartacus War, Masters of Command, The Death of Caesar, Ten Caesars, and his latest, The War that Made the Roman Empire: Antony, Cleopatra, and Octavian at Actium.